Pleurocoelus nanus was named by Marsh (1888). Its type specimen is USNM 4968-4970, a set of postcrania, and it is a 3D body fossil. Its type locality is Muirkirk, Arundel, which is in an Aptian lacustrine claystone in the Arundel Clay Formation of Maryland.

Clasmodosaurus spatula was named by Ameghino (1898). Its type specimen is Ameghino pers. coll., a tooth, and it is a 3D body fossil. Its type locality is Par-Aik, Río Sehuen, which is in a Santonian/Campanian terrestrial sandstone in the Mata Amarilla Formation of Argentina. It is the type species of Clasmodosaurus.

Cetiosaurus longus was named by Owen (1842). Its type specimen is OUM J13617 and is a 3D body fossil. Its type locality is Garsington, which is in a Kimmeridgian terrestrial horizon in the Portland Stone Formation of the United Kingdom.

Gigantosaurus megalonyx was named by Seeley (1869). Its type specimen is BMNH 32498-99 and is a 3D body fossil. Its type locality is Stretham sauropod, which is in a Kimmeridgian/Tithonian terrestrial horizon in the Kimmeridge Clay Formation of the United Kingdom.

Qinlingosaurus luonanensis was named by Xue et al. (1996) [Named by these authors within this publication.]. Its type specimen is NWUV 1112, a set of postcrania, and it is a 3D body fossil. Its type locality is Hongtuling, which is in a Maastrichtian terrestrial horizon in the Hongtuling Formation of China. It is the type species of Qinlingosaurus.

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.